Outside tap dilema

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13 Dec 2011
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Cumberland
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United Kingdom
Hi all. I have an old (probs 1950s) outside tap which is located in an old washhouse.
The problem is that it started leaking badly months ago and i managed to close it off with a make shift pipe and valve,but that is now close to exploding!!!
The mains cut off tap is siezed solid and cannot be turned so the water supply to that tap cant be shut off.
So my plan is to replace the tap with a newer one while its still under pressure and get soaked in the process,but i havnt got a clue what size thread will be on the old fittings!
Any help or ideas please?
Thanks
 

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you can freeze to pipe and probably 1/2 inch fitting
 
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Hi again and thanks for the replies. The tap isnt dripping now as i have put that pipe and check valve onto it but its only a matter of time before that bursts i think!
The feed pipe is black plastic so not sure if that can be frozen?
The outside tap has a seperate stop valve which is located underground in the back garden but it is properly siezed closed and will not budge at all. The other stop valve inside the house only shuts off the water internally!
 
black plastic? are you sure ?

could try a squeeze off tool.

Do you have another outside stop tap for the entire property? at the front maybe.
 
black plastic? are you sure ?

could try a squeeze off tool.

Do you have another outside stop tap for the entire property? at the front maybe.
Yeh its defo black plastic pipe coming from under the ground and into the old washhouse! There is a picture in my original post at the top.
Im worried that clamping the black pipe might crack it as its probabally as old as the house (1950s).
Typiaclly the only house in the street without a shut off valve on the front on the property is mine so not sure what can be done other than just replacing the tap under full pressure and just get soaked.
Hence why i need to know the thread size before starting to do it.
 
Do it live, open all the cold water taps in the house. Apply PTFE to the thread of the new stopcock, remove the old stopcock. You will get wet, then screw on the the new tap. Make sure the tap is open when screwing it on. Most important is to get someone to film you while you are doing it.

Andy
 
s there
Do it live, open all the cold water taps in the house. Apply PTFE to the thread of the new stopcock, remove the old stopcock. You will get wet, then screw on the the new tap. Make sure the tap is open when screwing it on. Most important is to get someone to film you while you are doing it.

Andy
My only issue is finding the correct thread size before starting the job. Dont want to get wet 2 or 3 times. Lol
 

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